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Fijación biológica de nitrógeno: una forma sostenible de producir alimentos

Authors

  • Rosa María Esquinas Ariza
  • Ángela Román Fernández
  • Manuel Matamoros Galindo

DOI:

https://doi.org/10.24310/enbio.17.188.2025.18309

Keywords:

Leguminosas, Fijación de nitrógeno, Rizobio, Endosimbiosis, Nitrogenasa, Fertilizantes

Abstract

Abstract: Nitrogen gas or dinitrogen (N2) represents about 78% of air, but cannot be used by most organisms. Only the oxidized forms like nitrate (NO3-) or the reduced forms like ammonium (NH4+) can be assimilated by plants. Many legumes can establish symbiotic relationships with soil nitrogen-fixing bacteria, collectively known as rhizobia, which allows them to reduce N2 to ammonia in nodules. Biological nitrogen fixation may be an alternative to the use of industrial fertilizers, which are costly to produce and cause numerous environmental problems such as the greenhouse effect and soil and water pollution.

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References

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Published

2025-02-18

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How to Cite

Fijación biológica de nitrógeno: una forma sostenible de producir alimentos. (2025). Encuentros En La Biología, 17(188). https://revistas.uma.es/index.php/enbio/article/view/18309